/Engine/Plugins/Developer/TraceSourceFiltering/Source/SourceFilteringTrace/Public/SourceFilterCollection.h
Returns parent filter set, if any, for provided filter
[UDataSourceFilterSet](API\Plugins\SourceFilteringTrace\UDataSourceFilterSet) * GetParentForFilter ( [UDataSourceFilter](API\Plugins\SourceFilteringTrace\UDataSourceFilter) * Filter )